In the modern research, we claimed the identification and also the characterization of a brand new atypical opioid receptor with special unfavorable regulatory properties to opioid peptides.1 Our benefits showed that ACKR3/CXCR7, hitherto referred to as an atypical scavenger receptor for chemokines CXCL12 and CXCL11, can also be a broad-spectrum sc